Title:
浸炭部品およびその製造方法
Document Type and Number:
Japanese Patent JP5076535
Kind Code:
B2
Abstract:
The carburized component of the present inventions is characterized by
having a base metal containing:
C: 0.10% to 0.40%;
Si: 0.05% to 0.8%;
Mn: 0.35% to 1.2%;
Cr: 2.0% to 6.0%; and
remnant including Fe and inevitable impurities,
having a carburized layer formed on a surface layer portion of said base metal, having a grain boundary oxidized layer depth of 1µm or less on a surface thereof and an average C concentration SC of 1. 5% to 4. 0% at 25µm deep from the surface, and
adjusted so as to satisfy:
1.76SC-1.06
Inventors:
Atsushi Hattori
Taka Kano
Taka Kano
Application Number:
JP2007035632A
Publication Date:
November 21, 2012
Filing Date:
February 16, 2007
Export Citation:
Assignee:
Daido Steel Co., Ltd.
International Classes:
C22C38/00; C21D1/06; C21D7/06; C21D9/32; C22C38/18; C22C38/26; C23C8/22
Domestic Patent References:
JP2004285384A | ||||
JP6025823A | ||||
JP8081737A | ||||
JP2002309318A | ||||
JP8003629A | ||||
JP4337063A |
Attorney, Agent or Firm:
Masanori Sugawara